6. A computer shop charges P20.00 per hour (or a fraction of an hour) for the first two hours and an additional P10.00 per hour for each succeeding hour. Find how much you would pay if you used one of their computers for:

(a) 40 minutes

(b) 3 hours

(c) 150 minutes

To solve this problem, we need to break it down into parts based on the shop's charging scheme.

### Charging Scheme:
1. **First two hours**: P20.00 per hour or fraction of an hour.
2. **After the first two hours**: P10.00 per hour or fraction of an hour.

Now, let's calculate the cost for each scenario.

### (a) 40 minutes
- 40 minutes is less than 1 hour.
- Since it's within the first hour, the cost is P20.00.

**Answer:** You would pay **P20.00**.

### (b) 3 hours
- The first 2 hours cost: \( 2 \times P20.00 = P40.00 \)
- The additional 1 hour (after 2 hours) costs: \( 1 \times P10.00 = P10.00 \)

**Total Cost:** \( P40.00 + P10.00 = P50.00 \)

**Answer:** You would pay **P50.00**.

### (c) 150 minutes
- 150 minutes is 2 hours and 30 minutes (or 2.5 hours).
- The first 2 hours cost: \( 2 \times P20.00 = P40.00 \)
- The additional 0.5 hour (after 2 hours) costs: \( 1 \times P10.00 = P10.00 \)

**Total Cost:** \( P40.00 + P10.00 = P50.00 \)

**Answer:** You would pay **P50.00**.

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Would you like further details or have any questions?

### Related Questions:
1. How much would you pay for using the computer for 1 hour and 15 minutes?
2. What would the cost be if you used the computer for 4 hours?
3. How much would it cost for 2 hours and 45 minutes?
4. What is the total cost for using the computer for 5 hours?
5. How much would it be for 90 minutes of computer usage?
6. What would be the cost if you used the computer for 6 hours?
7. How much would you pay for 1 hour and 55 minutes?
8. What is the cost for using the computer for 7 hours?

### Tip:
When dealing with fractional hours in a pricing scheme, always remember to round up to the next full hour or portion of the hour, as the shop charges by the fraction of an hour.

Learn how to calculate costs based on a rate scheme where the first two hours cost P20.00 per hour and P10.00 per hour thereafter. Solve specific scenarios like 40 minutes, 3 hours, and 150 minutes. Suitable for students in Grades 4-6.

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